Files
kontextual-engine/tests/test_asset_ingestion_service.py

390 lines
15 KiB
Python

from pathlib import Path
import pytest
from kontextual_engine import (
Actor,
ActorType,
AssetIngestionService,
Classification,
ConnectorCapability,
ExtractionResult,
ExtractorCapability,
IngestionIdentityPolicy,
IngestionJobStatus,
InMemoryAssetRegistryRepository,
LifecycleState,
NormalizedDocument,
OperationContext,
RepresentationKind,
Sensitivity,
SourcePayload,
SourceReference,
SQLiteAssetRegistryRepository,
content_digest,
)
def test_asset_ingestion_service_ingests_plain_text_file_as_governed_asset(tmp_path: Path) -> None:
source = tmp_path / "note.txt"
source.write_text("hello\nworld\n", encoding="utf-8")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
result = service.ingest_file(
source,
operation_context(),
asset_id="asset-note",
classification=Classification(asset_type="note", sensitivity=Sensitivity.INTERNAL),
)
assert result.job.status == IngestionJobStatus.COMPLETED
assert result.job.correlation_id == "corr-ingest"
assert result.job.output_asset_ids == ("asset-note",)
assert result.asset is not None
assert result.asset.source_refs[0].source_system == "local_file"
assert result.asset.source_refs[0].path == str(source)
assert repo.get_ingestion_job(result.job.job_id).status == IngestionJobStatus.COMPLETED
assert {item.kind for item in repo.list_representations(asset_id="asset-note")} == {
RepresentationKind.SOURCE,
RepresentationKind.NORMALIZED,
}
normalized = repo.list_representations(asset_id="asset-note", kind=RepresentationKind.NORMALIZED)[0]
assert normalized.media_type == "application/vnd.kontextual.normalized+json"
assert normalized.metadata["extractor"] == "plain-text"
assert normalized.metadata["line_count"] == 2
assert normalized.metadata["paragraph_count"] == 1
assert normalized.metadata["link_count"] == 0
assert repo.list_audit_events(target="asset:asset-note")[0].operation == "asset.create"
def test_ingestion_failure_records_job_without_trusting_unsupported_asset(tmp_path: Path) -> None:
source = tmp_path / "blob.bin"
source.write_bytes(b"\x00\x01\x02")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
result = service.ingest_file(source, operation_context(), asset_id="asset-blob")
assert result.asset is None
assert result.job.status == IngestionJobStatus.FAILED
assert result.job.failures[0].code == "kontextual.adapter_unavailable"
assert result.job.failures[0].details["media_type"] == "application/octet-stream"
assert repo.list_assets() == []
def test_directory_ingestion_reports_partial_results(tmp_path: Path) -> None:
(tmp_path / "one.txt").write_text("one", encoding="utf-8")
(tmp_path / "two.bin").write_bytes(b"\x00\x01")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
job = service.ingest_directory(tmp_path, operation_context(), recursive=False)
assert job.status == IngestionJobStatus.PARTIALLY_COMPLETED
assert job.partial_results["files_total"] == 2
assert job.partial_results["succeeded"] == 1
assert job.partial_results["failed"] == 1
assert len(job.output_asset_ids) == 1
assert len(job.failures) == 1
def test_ingestion_content_digest_identity_preserves_asset_across_file_move(tmp_path: Path) -> None:
first_path = tmp_path / "original.txt"
moved_path = tmp_path / "renamed.txt"
first_path.write_text("same durable content\n", encoding="utf-8")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
context = operation_context()
first = service.ingest_file(
first_path,
context,
identity_policy=IngestionIdentityPolicy.CONTENT_DIGEST,
)
first_path.rename(moved_path)
moved = service.ingest_file(
moved_path,
context,
identity_policy=IngestionIdentityPolicy.CONTENT_DIGEST,
)
repeated = service.ingest_file(
moved_path,
context,
identity_policy=IngestionIdentityPolicy.CONTENT_DIGEST,
)
assert first.asset is not None
assert moved.asset is not None
assert repeated.asset is not None
assert first.action == "created"
assert moved.action == "updated"
assert repeated.action == "skipped"
assert moved.asset.id == first.asset.id
assert repeated.asset.id == first.asset.id
assert len(repo.list_assets()) == 1
assert [source.path for source in repo.get_asset(first.asset.id).source_refs] == [
str(first_path),
str(moved_path),
]
assert repeated.job.partial_results["reason"] == "unchanged_source"
assert [version.sequence for version in repo.list_versions(first.asset.id)] == [1, 2]
assert [event.operation for event in repo.list_audit_events(target=f"asset:{first.asset.id}")] == [
"asset.create",
"asset.ingest.update",
]
def test_directory_ingestion_reports_skipped_and_retry_state(tmp_path: Path) -> None:
already_seen = tmp_path / "seen.txt"
unsupported = tmp_path / "unsupported.bin"
already_seen.write_text("skip me on the directory pass", encoding="utf-8")
unsupported.write_bytes(b"\x00\x01")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
context = operation_context()
service.ingest_file(already_seen, context)
job = service.ingest_directory(tmp_path, context, recursive=False)
items = {Path(item["source_uri"]).name: item for item in job.partial_results["items"]}
assert job.status == IngestionJobStatus.PARTIALLY_COMPLETED
assert job.partial_results["succeeded"] == 0
assert job.partial_results["skipped"] == 1
assert job.partial_results["failed"] == 1
assert items["seen.txt"]["status"] == "skipped"
assert items["seen.txt"]["action"] == "skipped"
assert items["unsupported.bin"]["status"] == IngestionJobStatus.FAILED.value
assert items["unsupported.bin"]["retry_state"] == "retriable"
assert items["unsupported.bin"]["failures"][0]["code"] == "kontextual.adapter_unavailable"
def test_asset_ingestion_service_ingests_csv_dataset_with_structured_table(tmp_path: Path) -> None:
source = tmp_path / "metrics.csv"
source.write_text("name,score\nalpha,0.82\nbeta,0.91\n", encoding="utf-8")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
result = service.ingest_file(
source,
operation_context(),
asset_id="asset-metrics",
classification=Classification(asset_type="dataset", sensitivity=Sensitivity.INTERNAL),
)
normalized = repo.list_representations(asset_id="asset-metrics", kind=RepresentationKind.NORMALIZED)[0]
assert result.job.status == IngestionJobStatus.COMPLETED
assert result.job.partial_results["extractor"] == "csv-dataset"
assert normalized.metadata["dataset_format"] == "csv"
assert normalized.metadata["columns"] == ["name", "score"]
assert normalized.metadata["row_count"] == 2
assert normalized.metadata["table_count"] == 1
assert [record.value for record in repo.list_metadata_records("asset-metrics") if record.key == "extractor"] == [
"csv-dataset"
]
@pytest.mark.parametrize(
("filename", "content", "media_type", "document_kind"),
[
("source.pdf", b"%PDF-1.7\n", "application/pdf", "pdf"),
(
"source.docx",
b"PK\x03\x04docx-placeholder",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"office_document",
),
],
)
def test_document_placeholder_formats_create_asset_with_unsupported_depth_diagnostic(
tmp_path: Path,
filename: str,
content: bytes,
media_type: str,
document_kind: str,
) -> None:
source = tmp_path / filename
source.write_bytes(content)
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo)
result = service.ingest_file(
source,
operation_context(),
asset_id=f"asset-{source.stem}",
classification=Classification(asset_type="document", sensitivity=Sensitivity.INTERNAL),
)
normalized = repo.list_representations(asset_id=f"asset-{source.stem}", kind=RepresentationKind.NORMALIZED)[0]
assert result.job.status == IngestionJobStatus.COMPLETED
assert result.asset is not None
assert result.job.partial_results["diagnostics"][0]["code"] == "extraction.depth_unsupported"
assert result.job.partial_results["diagnostics"][0]["details"]["media_type"] == media_type
assert normalized.producer == "document-placeholder"
assert normalized.metadata["document_kind"] == document_kind
assert normalized.metadata["extraction_depth"] == "metadata_only"
assert normalized.metadata["unsupported_elements"][0]["reason"] == "deep_extraction_not_available"
def test_ingestion_quarantines_empty_normalized_output_without_asset(tmp_path: Path) -> None:
source = tmp_path / "emptyish.txt"
source.write_text("content that the bad extractor drops", encoding="utf-8")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo, extractors=[EmptyTextExtractor()])
result = service.ingest_file(source, operation_context(), asset_id="asset-emptyish")
assert result.asset is None
assert result.action == "quarantined"
assert result.job.status == IngestionJobStatus.QUARANTINED
assert result.job.failures[0].code == "ingestion.normalized_empty"
assert result.job.partial_results["action"] == "quarantined"
assert repo.list_assets() == []
def test_ingestion_preserves_source_permission_context_on_representations() -> None:
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo, connectors=[PermissionedConnector()])
result = service.ingest_file("permissioned.txt", operation_context(), asset_id="asset-permissioned")
source = repo.list_representations(asset_id="asset-permissioned", kind=RepresentationKind.SOURCE)[0]
normalized = repo.list_representations(asset_id="asset-permissioned", kind=RepresentationKind.NORMALIZED)[0]
permission_records = [
record for record in repo.list_metadata_records("asset-permissioned")
if record.key == "source_permission_context"
]
assert result.job.status == IngestionJobStatus.COMPLETED
assert source.metadata["permission_context"] == {
"ingest_allowed": True,
"labels": ["engineering"],
}
assert normalized.metadata["permission_context"]["labels"] == ["engineering"]
assert permission_records[0].value["ingest_allowed"] is True
def test_ingestion_quarantines_permission_denied_source_without_asset() -> None:
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo, connectors=[PermissionedConnector(ingest_allowed=False)])
result = service.ingest_file("denied.txt", operation_context(), asset_id="asset-denied")
assert result.asset is None
assert result.job.status == IngestionJobStatus.QUARANTINED
assert result.job.failures[0].code == "ingestion.permission_denied"
assert repo.list_assets() == []
def test_directory_ingestion_reports_quarantined_failed_and_retriable_counts(tmp_path: Path) -> None:
(tmp_path / "bad-normalized.txt").write_text("dropped", encoding="utf-8")
(tmp_path / "unsupported.bin").write_bytes(b"\x00\x01")
repo = InMemoryAssetRegistryRepository()
service = AssetIngestionService(repo, extractors=[EmptyTextExtractor()])
job = service.ingest_directory(tmp_path, operation_context(), recursive=False)
items = {Path(item["source_uri"]).name: item for item in job.partial_results["items"]}
assert job.status == IngestionJobStatus.FAILED
assert job.partial_results["succeeded"] == 0
assert job.partial_results["failed"] == 1
assert job.partial_results["quarantined"] == 1
assert job.partial_results["retriable"] == 1
assert items["bad-normalized.txt"]["status"] == IngestionJobStatus.QUARANTINED.value
assert items["bad-normalized.txt"]["failures"][0]["code"] == "ingestion.normalized_empty"
assert items["unsupported.bin"]["retry_state"] == "retriable"
def test_sqlite_ingestion_jobs_survive_reinstantiation(tmp_path: Path) -> None:
source = tmp_path / "policy.txt"
source.write_text("governed ingestion", encoding="utf-8")
db_path = tmp_path / "registry.sqlite"
repo = SQLiteAssetRegistryRepository(db_path)
service = AssetIngestionService(repo)
result = service.ingest_file(
source,
operation_context(),
asset_id="asset-policy",
)
reloaded = SQLiteAssetRegistryRepository(db_path)
job = reloaded.get_ingestion_job(result.job.job_id)
assert job.status == IngestionJobStatus.COMPLETED
assert job.output_asset_ids == ("asset-policy",)
assert reloaded.get_asset("asset-policy").lifecycle == LifecycleState.ACTIVE
assert len(reloaded.list_representations(asset_id="asset-policy")) == 2
def operation_context() -> OperationContext:
actor = Actor.create(
ActorType.HUMAN,
actor_id="user-ingest",
display_name="Ingestion Tester",
groups=["engineering"],
)
return OperationContext.create(actor, correlation_id="corr-ingest")
class EmptyTextExtractor:
name = "empty-text"
def capabilities(self) -> ExtractorCapability:
return ExtractorCapability(
extractor_name=self.name,
media_types=("text/plain",),
extraction_depth="text",
)
def supports(self, media_type: str) -> bool:
return media_type == "text/plain"
def extract(self, payload: SourcePayload) -> ExtractionResult:
return ExtractionResult(
normalized=NormalizedDocument(text="", confidence=1.0),
metadata={
"extractor": self.name,
"source_digest": payload.content_digest,
"source_size_bytes": payload.size_bytes,
},
)
class PermissionedConnector:
name = "local_file"
def __init__(self, *, ingest_allowed: bool = True) -> None:
self.ingest_allowed = ingest_allowed
def capabilities(self) -> ConnectorCapability:
return ConnectorCapability(
connector_name=self.name,
source_types=("file",),
supports_directories=False,
)
def fetch(self, source_uri: str) -> SourcePayload:
content = b"permissioned content"
return SourcePayload(
connector_name=self.name,
source_uri=source_uri,
source_ref=SourceReference(
source_system=self.name,
path=source_uri,
checksum=content_digest(content),
connector_ref=f"{self.name}:{source_uri}",
),
media_type="text/plain",
content=content,
title=Path(source_uri).stem,
metadata={"filename": Path(source_uri).name},
permission_context={
"ingest_allowed": self.ingest_allowed,
"labels": ["engineering"],
},
)